Watch case



FIG. 1 is a top and right front perspective view of a watch case showing my new design;

FIG. 2 is a top plan view thereof, the bottom being conventionally plain and unornamented;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a watch case, as shown and described. 